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Backgammon AB217 main power amplifier board circuit

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Backgammon AB217 main power amplifier board circuit – a key component for audio amplification systems, designed for stability and performance in high-power applications.

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19MM Key Switches

19mm key switches

19mm key switches, ie, Key Switch lock, is gradually increase market share with its Diverse functions, accurate operation and Wide range of applications

This 19mm key switches could have 3 position key switch, 4 Position key Switch, which means it could have stronger power to support industrial and other bigger equipment. The exclusive technology of reset functions, multi-position rotation angles are not available in all walks of life,only we can have the technique to realize these.


3 postion key switch


As for the quality, this 19mm key switches have via UL authentication. In terms of green environmental protection, we adhere to the concept of sustainable development from the procurement of raw materials to the shipment of finished products. Meanwhile, we have professional environmentalist in charging of the whole production system, ROHS environmental protection providing PPAP report for our customers.

At present, our company's power key switches matching detection equipment is roughly as follows:ROHS testing machine, projector, life testing machine, push-pull testing machine, secondary element microscope, power testing machine, salt spray testing machine, etc.

With a sound quality control system and reliable detection equipment, we has created a globally reliable power key switch and has become a trusted producer of electrical key switches.

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YESWITCH ELECTRONICS CO., LTD. , https://www.yeswitches.com